CPR CITR3 Refugium Blackout

[Saluki2003]

I bought this CPR CITR3 to I’m use as an insump Refugium / pod home to put in the sump of my Red Sea Reefer 170 sump.

What would be the best way to blackout the fuge?

Thanks in advance.

 

[TX_REEF]

Krylon fusion spray paint works well for this. Reef safe when dry.